1 /*-
2 * Copyright (c) 2007 Robert N. M. Watson
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: stable/10/usr.bin/procstat/procstat_cs.c 310121 2016-12-15 16:52:17Z vangyzen $
27 */
28
29 #include <sys/param.h>
30 #include <sys/cpuset.h>
31 #include <sys/sysctl.h>
32 #include <sys/user.h>
33
34 #include <err.h>
35 #include <errno.h>
36 #include <libprocstat.h>
37 #include <stdio.h>
38 #include <stdlib.h>
39 #include <string.h>
40
41 #include "procstat.h"
42
43 void
procstat_cs(struct procstat * procstat,struct kinfo_proc * kipp)44 procstat_cs(struct procstat *procstat, struct kinfo_proc *kipp)
45 {
46 cpusetid_t cs;
47 cpuset_t mask;
48 struct kinfo_proc *kip;
49 unsigned int count, i;
50 int once, twice, lastcpu, cpu;
51
52 if (!hflag)
53 printf("%5s %6s %-19s %-19s %2s %4s %-7s\n", "PID",
54 "TID", "COMM", "TDNAME", "CPU", "CSID", "CPU MASK");
55
56 kip = procstat_getprocs(procstat, KERN_PROC_PID | KERN_PROC_INC_THREAD,
57 kipp->ki_pid, &count);
58 if (kip == NULL)
59 return;
60 kinfo_proc_sort(kip, count);
61 for (i = 0; i < count; i++) {
62 kipp = &kip[i];
63 printf("%5d ", kipp->ki_pid);
64 printf("%6d ", kipp->ki_tid);
65 printf("%-19s ", strlen(kipp->ki_comm) ?
66 kipp->ki_comm : "-");
67 printf("%-19s ", kinfo_proc_thread_name(kipp));
68 if (kipp->ki_oncpu != 255)
69 printf("%3d ", kipp->ki_oncpu);
70 else if (kipp->ki_lastcpu != 255)
71 printf("%3d ", kipp->ki_lastcpu);
72 else
73 printf("%3s ", "-");
74 if (cpuset_getid(CPU_LEVEL_CPUSET, CPU_WHICH_TID,
75 kipp->ki_tid, &cs) != 0) {
76 cs = CPUSET_INVALID;
77 }
78 printf("%4d ", cs);
79 if ((cs != CPUSET_INVALID) &&
80 (cpuset_getaffinity(CPU_LEVEL_WHICH, CPU_WHICH_TID,
81 kipp->ki_tid, sizeof(mask), &mask) == 0)) {
82 lastcpu = -1;
83 once = 0;
84 twice = 0;
85 for (cpu = 0; cpu < CPU_SETSIZE; cpu++) {
86 if (CPU_ISSET(cpu, &mask)) {
87 if (once == 0) {
88 printf("%d", cpu);
89 once = 1;
90 } else if (cpu == lastcpu + 1) {
91 twice = 1;
92 } else if (twice == 1) {
93 printf("-%d,%d", lastcpu, cpu);
94 twice = 0;
95 } else
96 printf(",%d", cpu);
97 lastcpu = cpu;
98 }
99 }
100 if (once && twice)
101 printf("-%d", lastcpu);
102 }
103 printf("\n");
104 }
105 procstat_freeprocs(procstat, kip);
106 }
107